Thoratec (Nasdaq: THOR) is expected to report Q1 earnings on May 2. Here's what Wall Street wants to see:

The 10-second takeaway
Comparing the upcoming quarter to the prior-year quarter, average analyst estimates predict Thoratec's revenues will drop -3.3% and EPS will wither -7.8%.

The average estimate for revenue is $122.6 million. On the bottom line, the average EPS estimate is $0.47.

Revenue details
Last quarter, Thoratec reported revenue of $128.5 million. GAAP reported sales were 17% higher than the prior-year quarter's $109.4 million.

Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions. Non-GAAP figures may vary to maintain comparability with estimates.

EPS details
Last quarter, non-GAAP EPS came in at $0.38. GAAP EPS were -$0.25 for Q4 versus $0.25 per share for the prior-year quarter.

Source: S&P Capital IQ. Quarterly periods. Non-GAAP figures may vary to maintain comparability with estimates.

Recent performance
For the preceding quarter, gross margin was 69.7%, 70 basis points worse than the prior-year quarter. Operating margin was 19.7%, 650 basis points worse than the prior-year quarter. Net margin was -11.2%, much worse than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $503.9 million. The average EPS estimate is $1.83.

Investor sentiment
The stock has a three-star rating (out of five) at Motley Fool CAPS, with 150 members out of 172 rating the stock outperform, and 22 members rating it underperform. Among 48 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 40 give Thoratec a green thumbs-up, and eight give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Thoratec is outperform, with an average price target of $40.13.

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